@article{sharma_vyas_goyal_bhatia_sethi_goel_2023,  title={Nasogastric tube insertion using conventional versus bubble technique for its confirmation in anesthetized patients: a prospective randomized study},  volume={73},  ISSN={2352-2291},  url={https://doi.org/10.1016/j.bjane.2021.01.011},  DOI={10.1016/j.bjane.2021.01.011},  number={5},  journal={Brazilian Journal of Anesthesiology},  publisher={Sociedade Brasileira de Anestesiologia (SBA)},  author={Sharma, Ankur and Vyas, Varuna and Goyal, Shilpa and Bhatia, Pradeep and Sethi, Priyanka and Goel, Akhil Dhanesh},  year={2023},  pages={620–625} }